Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 3924)
+++ /CKEditor/trunk/CHANGES.html	(revision 3925)
@@ -147,4 +147,5 @@
 		<li><a href="http://dev.fckeditor.net/ticket/3940">#3940</a> : Fixed list operation doesn't stop at table.</li>
 		<li><a href="http://dev.fckeditor.net/ticket/3891">#3891</a> : [IE] Fixed 'automatic' font color doesn't work.</li>
+		<li><a href="http://dev.fckeditor.net/ticket/3972">#3972</a> : Fixed unable to remove a single empty list in document in Firefox with enterMode=BR.</li>
 	</ul>
 	<h3>
Index: /CKEditor/trunk/_source/plugins/domiterator/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/domiterator/plugin.js	(revision 3924)
+++ /CKEditor/trunk/_source/plugins/domiterator/plugin.js	(revision 3925)
@@ -76,6 +76,6 @@
 					{
 						var path = new CKEDITOR.dom.elementPath( testRange.endContainer );
-						var block = path.block || path.blockLimit;
-						this._.lastNode = block.getNextSourceNode( true );
+						var lastBlock = path.block || path.blockLimit;
+						this._.lastNode = lastBlock.getNextSourceNode( true );
 					}
 				}